code: def check_series_map(mapping):
      assert (
          mapping.indices_map_to_data_type == "CIFTI_INDEX_TYPE_SERIES"
      )
      assert mapping.number_of_series_points == 13
      assert mapping.series_exponent == -3
      assert mapping.series_start == 18.2
      assert mapping.series_step == 10.5
      assert mapping.series_unit == "SECOND"
  
imports: import numpy
  import pytest
  import nibabel
  from nibabel import cifti2
  from nibabel.tmpdirs import InTemporaryDirectory
  from ...testing import assert_array_equal, clear_and_catch_warnings, error_warnings, suppress_warnings
label_desc: Use image node_id 10 for calling a global function with example usage: check_series_map(mapping) without return types